Chernykh Svetlana
From Yekaterinburg, Russia
Common russian riichi rating (CRR)
Rating date Sept. 4, 2025 (latest changes Sept. 3, 2025).
63 place (554.78).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (481.48 * 2.30 * 0.29 + 740.74 * 2.30 * 0.43 + 205.61 * 4.60 * 0.71 + 872.34 * 2.80 * 0.86 + 741.94 * 2.40 * 1 + 686.57 * 4.10 * 1) / (2.30 * 0.29 + 2.30 * 0.43 + 4.60 * 0.71 + 2.80 * 0.86 + 2.40 * 1 + 4.10 * 1) = 608.2539384100286
p2 = (686.57 * 4.10 * 1 + 872.34 * 2.80 * 0.86 + 741.94 * 2.40 * 1 + 740.74 * 2.30 * 0.43) / max_coefficients = 501.30405405405406
score = 608.2539384100286 * 0.5 + 501.30405405405406 * 0.5 = 554.7789962320413
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-03 | 64 -> 63 | 554.78 | |
| 2025-09-01 | 63 -> 64 | 548.18 -> 554.78 | |
| 2025-08-31 | 59 -> 63 | 548.18 | |
| 2025-08-26 | 58 -> 59 | 552.34 -> 548.18 | |
| 2025-08-25 | 57 -> 58 | 561.76 -> 552.34 |
Chasing Kan: 57% -> 43% |
| 2025-08-22 | 56 -> 57 | 561.76 | |
| 2025-08-04 | 56 | 559.29 -> 561.76 | |
| 2025-08-03 | 55 -> 56 | 559.29 | |
| 2025-07-30 | 56 -> 55 | 559.29 | |
| 2025-07-26 | 57 -> 56 | 559.29 |